Ruling · Gaurī Tṛtīyā (Gangaur) · 2066

Sunday 28 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 208 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 28 March

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Monday 29 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Tṛtīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 07:12 on Sun 28 Mar to 08:32 on Mon 29 Mar.

    2066-03-27T23:12:05Z → 2066-03-29T00:31:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 28th, 11:59–12:47 on the 29th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 12463 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2066: Sunday 28 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2066 falls on Sunday 28 March. Tṛtīyā runs from 07:12 on Sun 28 Mar to 08:32 on Mon 29 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2066/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 28 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 28 Mar
compat-drikpanchangComparison profileSun 28 Mar
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/gauri-tritiya · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāMadhyāhna 27thCoveredMadhyāhna 29thCoveredRuled
Los Angeles16:12 → 17:3212:350 min12:340 min28 Mar
Chicago18:12 → 19:3212:320 min12:320 min28 Mar
Jersey City19:12 → 20:3212:380 min12:370 min28 Mar
Port of Spain19:12 → 20:3211:470 min11:470 min28 Mar
London23:12 → 01:3211:420 min12:420 min28 Mar
Durban01:12 → 02:3211:370 min11:360 min28 Mar
Dubai03:12 → 04:3212:000 min12:000 min28 Mar
Delhi04:42 → 06:0212:030 min12:020 min28 Mar
Kolkata04:42 → 06:0211:180 min11:180 min28 Mar
Singapore07:12 → 08:3212:460 min12:450 min28 Mar
Sydney10:12 → 11:3212:360 min12:360 min28 Mar
Suva11:12 → 12:3211:480 min11:4745 min28 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gauri-tritiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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